Sima Video Switch Video Signal Conversion converts composite & S-Video up to component. Multiple Inputs six composite video inputs, four S-Video, two component video inputs & three HDMI inputs. Auto Input Sensing the VS-560 automatically detects & switches to the active source when it is turned on! Volume Stabilization allows you to increase or decrease the preset range of the audio output per input channel. Digital Audio Conversion feeds either a single optical or coaxial signal to your receiver from multiple optical & digital coax signals. Also splits digital audio from HDMI.